8157968

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^2\times {\mathrm{431}}^1$

素因数の和:472

約数の個数: 60

約数和(自身を含む): 19605888

約数和(自身を除く): 11447920

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 91, 104, 112, 169, 182, 208, 338, 364, 431, 676, 728, 862, 1183, 1352, 1456, 1724, 2366, 2704, 3017, 3448, 4732, 5603, 6034, 6896, 9464, 11206, 12068, 18928, 22412, 24136, 39221, 44824, 48272, 72839, 78442, 89648, 145678, 156884, 291356, 313768, 509873, 582712, 627536, 1019746, 1165424, 2039492, 4078984, 8157968]

約数ペア:

[(1, 8157968), (2, 4078984), (4, 2039492), (7, 1165424), (8, 1019746), (13, 627536), (14, 582712), (16, 509873), (26, 313768), (28, 291356), (52, 156884), (56, 145678), (91, 89648), (104, 78442), (112, 72839), (169, 48272), (182, 44824), (208, 39221), (338, 24136), (364, 22412), (431, 18928), (676, 12068), (728, 11206), (862, 9464), (1183, 6896), (1352, 6034), (1456, 5603), (1724, 4732), (2366, 3448), (2704, 3017)]